Service difficulty report · Line · Boeing 747422

Difficulty date
September 24, 2013
Submitted
September 27, 2013
Operation
Air carrier
Aircraft
N174UA
Make and model
Boeing 747422
Aircraft serial
24381
Aircraft time
92,404 hours, 10,269 cycles
Engine
Pwa PW4056
Part
Line
Condition
Leaking
Location
Nr 4 Brake
Stage of operation
IN
How discovered
V
Nature of condition
K
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

NR 4 FRONT BRAKE BODY GEAR BRAKE LINE LEAKING BEYOND LIMITS. PLUGGED & CAPPED BRAKE LINE BOTH ENDS. NEED BRAKE LINE 180-0265. SEE IPC 32-41-00-010 ITEM 20. INOPERATIVE NR 4 BRAKE IAW METHOD 2. THE BRAKE DEACTIVATED IS NR 6 ACCORDING TO BOEING DIAGRAM. REPLACED BRAKE HOSE, NO LEAK FOUND.